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Capstone™ FS-65 is a water-soluble, nonionic fluorosurfactant used to improve wetting and leveling of water-based paints, inks, and cleaners.
Capstone™ FS-65 is a water-soluble, VOC-free, nonionic fluorosurfactant. It provides exceptionally low surface tension to aqueous solutions when used at a very low rate (0.005-0.1% actives depending on application). Capstone™ FS-65 is designed to remain nonionic in both acidic and basic system. It is also compatible with resins of any ionic class making Capstone™ FS-65 well suited as a wetting and leveling additive in most water-based formulations. Capstone™ FS-65 meets the criteria for biodegradability set by OECD 301B or 67/548/EEC Annex V.C. 4-C and is the environmentally preferred grade of fluorosurfactant for coatings, inks, cleaning solutions, and various other applications. Capstone™ FS-65 is available commercially as a 25% solids solution that can be easily diluted to working concentrations with water.
Appearance: Yellow to amber liquid
pH: 7.5–9
Specific Gravity: 1.1 g/mL
Stability: Mix well before use. Freeze-thaw
stable. Warm the product to room
temperature, and mix before use after cold storage. Stable in brine and aggressive media.
Composition: 25% solids
Shelf Life: 5 years
Foam: Can foam with excessive shaking
Primary Chemistry: Nonionic Fluorosurfactant
VOC-free
Water-soluble
Anti-blocking
Oil repellency
Low foaming
Wetting and enhanced leveling
Reduces cratering and provides faster spreading
Lowers surface tension to improve cleaning efficiency
REACH compliant
Listed on TSCA inventory
Slow spreading and poor wet out of surfaces due to high surface tension.
Poor penetration of cleaning products due to high surface tension.
Damage caused to surfaces due to a lack of oil repellency.
Foaming that develops when mixing and applying paints and coatings.
In water-based floor care formulations including waxes, polishes and finishes, Capstone™ FS-65 can be added at 0.005-0.02% actives to dramatically improve wetting and leveling. Good re-wet characteristics for multi-coat applications are also achieved by adding Capstone™ FS-65.
The performance of concentrated cleaning solutions can be enhanced by the addition of 0.005-0.1% Capstone™ FS-65.
Capstone™ FS-65 is recommended to be added to water based paints and inks as 0.01-0.1% actives to improve wetting, leveling, and film consistency. The use of Capstone™ FS-65 in water-based inks and paints often eliminates the need for other additives such as defoamers and leveling agents providing manufacturers with a significant cost savings.
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